package com.zzq.my.jetpacks.jectpackapp.utils;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.telephony.TelephonyManager;

import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.net.URL;
import java.util.Enumeration;

/**
 * 描述：检查网络工具类
 * 作者：zhuangzeqin
 * 时间: 2017/3/24-17:13
 * 邮箱：zzq@eeepay.cn
 */
public class NetworkUtil {

   public static int NET_CNNT_BAIDU_OK = 1; // NetworkAvailable
   public static int NET_CNNT_BAIDU_TIMEOUT = 2; // no NetworkAvailable
   public static int NET_NOT_PREPARE = 3; // Net no ready
   public static int NET_ERROR = 4; //net error
   private static int TIMEOUT = 3000; // TIMEOUT


   /**
    * check NetworkAvailable
    * @param context
    * @return
    */
   public static boolean isNetworkAvailable(Context context) {
       ConnectivityManager manager = (ConnectivityManager) context.getApplicationContext().getSystemService(
               Context.CONNECTIVITY_SERVICE);
       if (null == manager)
           return false;
       NetworkInfo info = manager.getActiveNetworkInfo();
       if (null == info || !info.isAvailable())
           return false;
       return true;
   }

   /**
    * getLocalIpAddress
    * @return
    */
   public static String getLocalIpAddress() {
       String ret = "";
       try {
           for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) {
               NetworkInterface intf = en.nextElement();
               for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {
                   InetAddress inetAddress = enumIpAddr.nextElement();
                   if (!inetAddress.isLoopbackAddress()) {
                       ret = inetAddress.getHostAddress().toString();
                   }
               }
           }
       } catch (SocketException ex) {
           ex.printStackTrace();
       }
       return ret;
   }

   /**
    * 返回当前网络状态
    *
    * @param context
    * @return
    */
   public static int getNetState(Context context) {
       try {
           ConnectivityManager connectivity = (ConnectivityManager) context
                   .getSystemService(Context.CONNECTIVITY_SERVICE);
           if (connectivity != null) {
               NetworkInfo networkinfo = connectivity.getActiveNetworkInfo();
               if (networkinfo != null) {
                   if (networkinfo.isAvailable() && networkinfo.isConnected()) {
                       if (!connectionNetwork())
                           return NET_CNNT_BAIDU_TIMEOUT;
                       else
                           return NET_CNNT_BAIDU_OK;
                   } else {
                       return NET_NOT_PREPARE;
                   }
               }
           }
       } catch (Exception e) {
           e.printStackTrace();
       }
       return NET_ERROR;
   }

   /**
    *ping "http://www.baidu.com"
    * @return
    */
   static private boolean connectionNetwork() {
       boolean result = false;
       HttpURLConnection httpUrl = null;
       try {
           httpUrl = (HttpURLConnection) new URL("http://www.baidu.com")
                   .openConnection();
           httpUrl.setConnectTimeout(TIMEOUT);
           httpUrl.connect();
           result = true;
       } catch (IOException e) {
       } finally {
           if (null != httpUrl) {
               httpUrl.disconnect();
           }
           httpUrl = null;
       }
       return result;
   }

   /**
    * check is3G
    * @param context
    * @return boolean
    */
   public static boolean is3G(Context context) {
       ConnectivityManager connectivityManager = (ConnectivityManager) context
               .getSystemService(Context.CONNECTIVITY_SERVICE);
       NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();
       if (activeNetInfo != null
               && activeNetInfo.getType() == ConnectivityManager.TYPE_MOBILE) {
           return true;
       }
       return false;
   }

   /**
    * isWifi
    * @param context
    * @return boolean
    */
   public static boolean isWifi(Context context) {
       ConnectivityManager connectivityManager = (ConnectivityManager) context
               .getSystemService(Context.CONNECTIVITY_SERVICE);
       NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();
       if (activeNetInfo != null
               && activeNetInfo.getType() == ConnectivityManager.TYPE_WIFI) {
           return true;
       }
       return false;
   }

   /**
    * is2G
    * @param context
    * @return boolean
    */
   public static boolean is2G(Context context) {
       ConnectivityManager connectivityManager = (ConnectivityManager) context
               .getSystemService(Context.CONNECTIVITY_SERVICE);
       NetworkInfo activeNetInfo = connectivityManager.getActiveNetworkInfo();
       if (activeNetInfo != null
               && (activeNetInfo.getSubtype() == TelephonyManager.NETWORK_TYPE_EDGE
               || activeNetInfo.getSubtype() == TelephonyManager.NETWORK_TYPE_GPRS || activeNetInfo
               .getSubtype() == TelephonyManager.NETWORK_TYPE_CDMA)) {
           return true;
       }
       return false;
   }

   /**
    *  is wifi on
    */
   public static boolean isWifiEnabled(Context context) {
       ConnectivityManager mgrConn = (ConnectivityManager) context
               .getSystemService(Context.CONNECTIVITY_SERVICE);
       TelephonyManager mgrTel = (TelephonyManager) context
               .getSystemService(Context.TELEPHONY_SERVICE);
       return ((mgrConn.getActiveNetworkInfo() != null && mgrConn
               .getActiveNetworkInfo().getState() == NetworkInfo.State.CONNECTED) || mgrTel
               .getNetworkType() == TelephonyManager.NETWORK_TYPE_UMTS);
   }

}
